package com.yida.interceptor;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

import com.yida.bean.blogger;

public class UserInterceptor implements HandlerInterceptor{ 

	public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler)throws Exception {
		//编写业务拦截规则
		//从sessin中获取用户的信息
		blogger blogger = (com.yida.bean.blogger) request.getSession().getAttribute("blogger");
		if (blogger==null) {
			response.sendRedirect("/admin");
			return false;
		}
		return true;
	}
	
	@Override
	public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler,
			ModelAndView modelAndView) throws Exception {
		// TODO Auto-generated method stub
		HandlerInterceptor.super.postHandle(request, response, handler, modelAndView);
	}
	
	@Override
	public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex)
			throws Exception {
		// TODO Auto-generated method stub
		HandlerInterceptor.super.afterCompletion(request, response, handler, ex);
	}
}
